Advice? I need a lot.

[velvetiine]

Let's start this off with: Please do not be rude or run me off of this forum, all of us were new owners at some point, right? Recently (A few days ago), I procured something I had wanted from the wee age of 8, a snake. I originally wanted an arboreal snake, like a GTP or ATB, but I decided on something a bit friendlier and easier to handle: A ball python. So, I began my search for the snake of my dreams.

I work at a hole-in-the-wall pet store, which was selling a "vanilla" BP for a ridiculous price, and I knew I wasn't going to buy that one, so I started checking other venues, I knew that I didn't want to fork out a ridiculous amount of cash for this animal that I have never had before, so I waited patiently and gathered the supplies to house the future pet. I grabbed supplies that I knew I needed, I got this gorgeous Terrarium from the pet store I work at, got my heating elements, thermostats.. etc.. I was prepared.
Fast forward a few days, and I was browsing craigslist and found this woman that was selling 3 Ghost BPs at a RIDICULOUS price, and I was like "Oh my." So I jumped on it.. I contacted her and she offered me all three of them for $50. I was like of course, I would be crazy not to. Problem is, I only have one terrarium.
Granted it is a massive terrarium, I still know that you shouldn't house BPs together.. I got all 3 anyway.

She let me know that they had been eating live, which I also knew was wrong.. But my mom (Who is also an animal enthusiast) was telling me "Live is okay. Housing them together is okay, I have before" things like that..

So fast forward, I get them home, get their enclosure ready, and put all 3 of them in the terrarium. They're only about 1-2 months old (I think), so the 75 gallon terrarium I have is large enough.. (I thought?)

(I know I've done a lot of things wrong.. Please don't crucify me.)

So, they are all from the same clutch, which I've been telling myself makes it okay to house them together, I mean, I set up their hide and heating accessories, and they pretty much all 3 ball up together and stay in their hide, not being very social.

I had handled them a few times, and I knew the day to feed them was coming up, so I grabbed the live rats from the store I work at and headed home, nervous that they wouldn't.. When I got home, my boyfriend helped me divide their enclosure into 3 sections and feed them... except only one of them would eat.

My female greedily gobbled down her dinner, but the two males acted like the pups would eat them.

So, I give them a minute to try and eat the little critters, but they are not budging on not wanting to eat, and I am upset, guilty, angry, and I feel clueless and helpless.

I mean, I have a general knowledge of all animals, and I have done a TON of research on the little serpents, but it's so hard to find two agreeing sources on ANYTHING.
I really need advice, I have these 3 little guys that are depending on me, and I'm afraid they're stressed and it's really upsetting.

If you made it this far, basically what I'm asking for is advice on how to house them temporarily until I get the housing they need.. I mean I don't plan on keeping the two males, I just got them because I got them on an offer I couldn't refuse, but I definitely want to provide them with the best quality of life while they're with me, so can anyone help?? My dad was always deathly terrified of snakes, so I could never have one, and now that I do, I'm so excited and cautious and really just need advice to calm myself down.